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AUSCERT External Security Bulletin Redistribution
ESB-2024.1150
MFSA 2024-08 Security Vulnerabilities fixed in Firefox for iOS 123
23 February 2024
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AusCERT Security Bulletin Summary
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Product: Firefox for iOS
Publisher: Mozilla Foundation
Operating System: Apple iOS
Resolution: Patch/Upgrade
CVE Names: CVE-2024-26283 CVE-2024-26282 CVE-2024-26281
Original Bulletin:
https://www.mozilla.org/en-US/security/advisories/mfsa2024-08/
Comment: CVSS (Max): None available when published
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Mozilla Foundation Security Advisory 2024-08
Security Vulnerabilities fixed in Firefox for iOS 123
Announced: February 19, 2024
Impact: moderate
Products: Firefox for iOS
Fixed in: Firefox for iOS 123
# CVE-2024-26283: Address bar spoofing using Firefox custom open URL scheme
Reporter: Muneaki Nishimura
Impact: moderate
Description
An attacker could have executed unauthorized scripts on top origin sites using
a JavaScript URI when opening an external URL with a custom Firefox scheme.
References
o Bug 1850158
# CVE-2024-26282: UXSS through a canonical element
Reporter: Muneaki Nishimura
Impact: moderate
Description
Using an AMP url with a canonical element, an attacker could have executed
JavaScript from an opened bookmarked page.
References
o Bug 1863788
# CVE-2024-26281: QR code scanner allowed executing a JavaScript URI
Reporter: James Lee
Impact: moderate
Description
Upon scanning a JavaScript URI with the QR code scanner, an attacker could have
executed unauthorized scripts on the current top origin sites in the URL bar.
References
o Bug 1868005
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